美国PRA International 
PRA International 是一个全球性的临床研究组织，提供全面的Ⅰ～Ⅳ 期临床开发服务，公司在六大洲超过 68 个国家开展业务。PRA 在多个治疗领域拥有 30 年以上的临床试验经验，其主要专长在于肿瘤、中枢神经系统、心血管和过敏/呼吸系统疾病。

A leading global CRO, PRA is transforming clinical trials through our people, innovation and transparency. We serve clients across all phases of pharmaceutical and biotech drug development by combining therapeutic and operational expertise with local knowledge. Offering services in 80+ countries and serving sponsors for 30+ years, we have amassed a level of expertise that has enabled us to work on a variety of compounds, ranging from niche treatments and therapies to blockbuster drugs. Our forward-thinking approach to transforming the clinical trial landscape will continue to make a difference to healthcare patients around the world.